Main country
Japan
18,258 people
78.5% of total
Surname
Okuma
23,269 worldwide · 36 countries
23,269
Total population
36
Countries
1 in every 348,103
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Japan
18,258
78.5%
2
Nigeria
1,690
7.3%
3
Brazil
1,218
5.2%
4
Uganda
1,055
4.5%
5
United States
470
2%
World distribution
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